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What is the self-discharge rate of alkaline batteries?

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What is the self-discharge rate of alkaline batteries?

Alkaline batteries generally have a low self-discharge rate, but the exact value may vary depending on the battery make, model, and storage conditions. Normally, the self-discharge rate of alkaline batteries is about 2-3% after being stored for about a year. This means that if a fully charged alkaline battery is left for a year, its charge may be reduced by 2-3%. However, this value is only a rough estimate and actual conditions may vary.
It is worth noting that storage temperature also has an impact on self-discharge rate. Generally speaking, lower temperatures can reduce the self-discharge rate, while higher temperatures may accelerate the self-discharge process. Therefore, it is recommended to choose a dry, cool environment when storing alkaline batteries to minimize self-discharge rates.
Although alkaline batteries have a relatively low self-discharge rate, for long-term storage or when there is less need for backup batteries, it is still recommended to regularly check the battery's state of charge and recharge or replace the battery as needed to ensure its performance and reliability sex.